Some places almost never get the attention they deserve. One of these is the Democratic Republic of Congo. A vast country of some 80 million people, at the heart of Africa. It has struggled since independence in 1960 with a poor colonial legacy, cold war manipulations, venal and incompetent governments, and a succession of wars.
Dr Black visited Brazil recently and toured the country lecturing on Bletchley Park and Alan Turing - 2012 being the one hundredth anniversary of the birth of Turing.